{"instruction": "You are an expert in relationship extraction. Please extract relationship triples that match the schema definition from the input. Return an empty list for relationships that do not exist. Please respond in the format of a JSON string.", "schema": ["product producer", "entity origin", "entity destination", "else", "cause effect"], "input": "the vibration caused by a heavy goods train on the metropolitan railway , which runs under the exhibition premises , had shaken the figure off its balance ."}
{"product producer": [], "entity origin": [], "entity destination": [], "else": [], "cause effect": [{"subject": "vibration", "object": "train"}]}